Boss Bass Equalizer GEB-7 Manual

Boss Ikke kategoriseret Bass Equalizer GEB-7

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Side 1/1

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (supplied on a separate sheet).

After reading, keep the document(s) where it will be available for immediate reference.

AC Adaptor

(PSA series; sold separately)

Electric Bass

English

Equalizer Control knobs

These knobs allow you to boost or cut the center frequency of 50, 120, 400,

500, 800, 4.5 k or 10 kHz within +/-15 dB.

The BOSS GEB-7 is a 7-band equalizer designed specically for electric bass.

Since it allows for a broad range of frequency settings, even ve string basses can be accommodated.

The unit is designed to provide the optimum Q (equalizer’s bandwidth) for bass for each center frequency. While making it easy to obtain the most delicate of nuances, it also allows for radically unique settings as well.

The GEB-7 allows you to adjust the output level of the equalized sound so it matches the level of the input sound.

OUTPUT jack

Connect an amplier to this jack.

Bass Amplier

DC IN jack

Accepts connection of an AC Adaptor (PSA series; sold separately). By using an AC Adaptor, you can play

without being concerned about how much battery power you have left.

* We recommend that you keep batteries installed in the unit even though you’ll be powering it

with the AC adaptor. That way, you’ll be able to continue a performance even if the cord of the

AC adaptor gets accidentally disconnected from the unit.

* Use only the specied AC adaptor (PSA-series).

CHECK indicator

This indicator shows whether an eect is ON/OFF, and doubles as the Battery Check indicator.

The indicator lights when an eect is ON.

* If this indicator goes dim or no longer lights while an eect is ON, the battery is near

exhaustion and should be replaced immediately.

* The CHECK indicator shows whether the eect is on or o, and indicates the dierent

functions. It does not indicate whether the power to the device is on or not.

Pedal Switch

This switch turns the eects ON/OFF.

Thumbscrew

When this screw is loosened, the pedal will open, allowing you to change the

battery.

* For instructions on changing the battery, refer to “Changing the

Battery.”

Panel Descriptions

Main Features

Operating the Unit

1. When you have made the necessary

connections, set the knobs as shown

in the illustration.

2. Depress the pedal switch to turn the

eect on. (Make sure that the CHECK

Indicator lights.)

3. Adjust the tone using the relevant

Equalizer Control Knobs.

4. Adjust the output level using the

Level Control Knob, to minimize the

level dierence between the eect

and direct sounds.

FREQUENCY RESPONSE

k01k1001

FREQUENCY (Hz )

-15

+15

LEVEL (dB )

Use of Battery

* A battery is supplied with the unit. The life of this battery may

be limited, however, since its primary purpose was to enable

testing.

* If you handle batteries improperly, you risk explosion and uid

leakage. Make sure that you carefully observe all of the items

related to batteries that are listed in “USING THE UNIT SAFELY”

and “IMPORTANT NOTES” (supplied on a separate sheet).

* When operating on battery power only, the unit’s indicator will

become dim when battery power gets too low. Replace the

battery as soon as possible.

* Batteries should always be installed or replaced before

connecting any other devices. This way, you can prevent

malfunction and damage.

Changing the Battery

1. Hold down the

pedal and loosen

the thumbscrew,

then open the

pedal upward.

* The pedal can be

opened without

detaching the

thumbscrew

completely.

2. Remove the old

battery from the

battery housing,

and remove the snap cord connected to it.

3. Connect the snap cord to the new battery, and place

the battery inside the battery housing.

* Be sure to carefully observe the battery’s polarity (+ versus -).

4. Slip the coil spring onto the spring base on the back of

the pedal, and then close the pedal.

* Carefully avoid getting the snap cord caught in the pedal, coil spring, and

battery housing.

5. Finally, insert the thumbscrew into the guide bush

hole and fasten it securely.

Main Specications

BOSS GEB-7: Bass Equalizer

Nominal Input Level -20 dBu

Input Impedance 1 MΩ

Nominal Output Level -20 dBu

Output Impedance 1 kΩ

Recommended Load

Impedance

10 kΩ or greater

Power Supply DC 9 V; Dry battery 6F22 (9 V) type (carbon)/Dry

battery 6LR61 (9 V) type (alkaline) AC Adaptor

(PSA-series: optional)

Current Draw 16 mA (DC 9 V)

* Expected battery life under continuous use:

Carbon: 16 hours, Alkaline: 28.5 hours

These gures will vary depending on the

actual conditions of use.

Dimensions 73 (W) x 129 (D) x 59 (H) mm

2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches

Weight 440 g / 1 lb (including battery)

Accessories Owner’s Manual, Leaet (“USING THE UNIT

SAFELY,” “IMPORTANT NOTES,” and “Information”),

Dry battery/9 V type (6F22)

Options AC adaptor (PSA-series)

* 0 dBu = 0.775 Vrms

* This document explains the specications of the product at the

time that the document was issued. For the latest information,

refer to the Roland website.

Thumbscrew

Battery Housing

Pedal

Spring Base

Coil Spring

Guide Bush

Hole

Battery Snap

Cord

Battery

Snap

9 V Battery

* To prevent malfunction and equipment failure, always turn down the volume, and turn o all the units before making

any connections.

* Before turning the unit on/o, always be sure to turn the volume down. Even with the volume turned down, you

might hear some sound when switching the unit on/o. However, this is normal and does not indicate a malfunction.

* Once everything is properly connected, be sure to follow the procedure below to turn on their power. If you turn on

equipment in the wrong order, you risk causing malfunction or equipment failure.

: When powering up Turn on the power to your bass amp .last

: When powering down Turn o the power to your bass amp .rst

Level Control Knob

This knob allows you to adjust the output level of the eect sound to minimize

the level dierence between the eect and direct sounds.

Setting Samples

Standard Rock Heavy Metal Slapping Play

Bass Amplier Simulation

Owner’s Manual

INPUT jack

This jack accepts input signals (coming from a bass guitar, some other musical

instrument, or another eects unit).

* The INPUT jack also serves as the power

switch. Power is turned on whenever a plug

is inserted into the INPUT jack, and is turned

o when the plug is disconnected. When

not using the unit, you should disconnect

any cord connected to the INPUT jack.

* 5 1 0 0 0 5 5 1 6 5 - 0 1 *

Produkt Specifikationer

Mærke:	Boss
Kategori:	Ikke kategoriseret
Model:	Bass Equalizer GEB-7

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